Look ma! DCPS reform is working great as long as your parents graduated from college. The below charts are district schools only:

That’s a two point decline compared to a 17 point (!) improvement for those scoring at home. What about math?

That is a 10 point improvement for students whose parents did not finish college compared to a 25 point (!) improvement for students whose parents did finish college. You see a similar pattern if you break the numbers down by race/ethnicity. Here is how DCPS looks (absent charter students) compared to the TUDA districts (also district only) for Black students in NAEP 8th grade reading: